Quarterly report pursuant to Section 13 or 15(d)

Stock Repurchase Program - Summary of Share Repurchase Activity (Detail)

v3.19.2
Stock Repurchase Program - Summary of Share Repurchase Activity (Detail)
$ / shares in Units, $ in Thousands
3 Months Ended
Jul. 31, 2019
USD ($)
$ / shares
shares
Equity [Abstract]  
Shares repurchased | shares 100,000
Average cost per share | $ / shares $ 1.42
Value of shares repurchased | $ $ 142